Curtain coating method

Details Curtain coating method Curtain coating method

1974-10-11

1977-04-26

Smith, Ronald H.

Gas separation: apparatus

Electric field separation apparatus

Including gas flow distribution means

118325, 118DIG4, 427420, B05D 130, G03C 300

Patent

active

040199061

ABSTRACT:
A method of coating a travelling web with at least one layer of a liquid coating composition, includes the steps of moving the web along a path through a coating zone and forming at the coating zone a free-falling vertical curtain which extends transversely of the path and impinges the travelling web to deposit thereon a coating. The free-falling curtain is composed of at least two separately formed free-falling partial curtains which are joined edge to edge, one partial curtain constituting an edge region of the integral curtain and the other or others constituting a central region and another edge region of the integral curtain.

REFERENCES:
patent: 1859652 (1932-05-01), Bullerjahn
patent: 3365325 (1968-01-01), Fraenkel et al.
patent: 3632374 (1972-01-01), Greiller

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